标签云

微信群

扫码加入我们

WeChat QR Code

为什么这个函数被称为条件内部不工作?

Why is samSays not working inside the function even though the function is returning? HTML: <button onClick="drivinSchool()">Drive</button> JS: function drivinSchool(){ var

如何检查交易视图是否支持配对

I am currently trying to implement trading views embedded chart feature. The problem is the website that needs this supports more pairs than trading view does so this pair 'BTCUSD' shows a chart and

TestVIEW将多个字符串设置为一个STATE(int ReSID)

Good morning, How can I put multiple string ressources inside the setText to display them in order ? I have a layout with a TextView (id: TxtDisp) and a Button (id: NextSentence) that change the

在Hibernate中,为什么SAVEORUPDATE会在数据库中存在一个异常对象

Previously when I was adding a entity to database with Hibernate I used to check that it hadn't already been added. But in an effort to improve performance I forgo this check and just tried to add

与吉普赛人的创作关系

I am learning jHipster. My entity relationship model has projects and files. A project can have zero to many files, and a file always belongs to exactly one project. project <(1:1)-----(0:*)>

上载前验证音频文件的持续时间

Is it possible to check duration of audio file before uploading in similar way like file.size in the example below? handleSubmit = async event => event.preventDefault(); if (this.file &&

使用CORIDATA和依赖注入-线程1:致命错误:init(编码器:)尚未实现

I'm trying to learn how to use CoreData and the correct way to implement it, currently I have watched this video on youtube (link below). At the moment it all makes sense, however when I go from one

通过拖动折叠/折叠容器

I want to implement ability to collapse the gray .content block (with blue sqare inside) smoothly based on drag value when user drags .drag element. What is the best and efficient way nowadays to do

有人能解释吗?

var z = function(){ var a = this; var x = function(){ var b = this; var m = function(){ var c = this; console.log(a); console.log(b);

如何使用Python插值一个给定的因子?

How do we interpolate an image taken as input by a given factor using Python as the programming language?

如何使用Python每隔1分钟从一个网站获取数据?

I'm trying to make a project related to share market. I want to have the share price at every 1-minute interval and the python script will message me using twilio about the change.

宏基于活动单元设置范围,只复制可见单元

Iv been struggling with a macro to copy a specific range based on the active cell, while hiding certain columns and copying only visible cells. It will be used for copying information about the next 7

将指向基元成员的指针转换为派生成员的指针

A simplified example from a recent blog post: struct B { void f(); }; struct D : B { }; constexpr auto as_d = static_cast<void(D::*)()>(&D::f); // (1) template <void (D::*)()>

如何在一个列表中建立项目索引?

I have two list. First list contains each book language, that contains about 30000 items. ['es','de', 'ita', .] Second one contains about twenty language code, as follow : ['eng', 'ar', 'fr', '

如何在LaaLVER 5.6中添加自定义方法到资源控制器

What is the correct way of adding a custom method to a resource controller in Laravel 5.6? What I have so far is a new method in my ProfileController: public function approve($id){ $user = User::

Android中触摸锚图像库的操作

Hi am designing a system that allow the user to scale and skew a image base off the anchors that they can drag and scale. I am kinda stuck and looking for some type of resource to put this together.

在REST中对FixBASE脸谱网令牌进行身份验证

I followed this document https://firebase.google.com/docs/auth/web/facebook-login token is a new accessToken given from the client const context = ({req}) => { const credential = firebase.

FelZeNo火柴

Olá, estou fazendo um programa em Python para uma central telefônica. O usuário tem permissão para cadastrar as regras de discagem. Gostaria de usar expressão regular simples que aceitaria somente '[]'

Python问题的算术运算

I have a line of python code that doesn't work the way it should (at least to the best of my knowledge). Following is the code line: print 'progress: {}%'.format((i/len(e_numbers))*100) The value of

R中基于系数数据帧的矩阵加权元素

I have got this coefficient table under the form of a dataframe: coefficient_table <- data.frame("less_than_1" = c( 1, 0.5, 0.1, 0.025, 0.010, 0.005, 0.001), "1-5" = c(

固定内容相对于父

I'm building a website whereby when scrolling, it will appear as if the section below which has a height of 100vh, overlaps the current section like so: https://i.gyazo.com/

返回值JSON到SQL查询

I have a problem, clicking in a < tr > of a table I call a javascript function which in turn calls a function in php to get data in a database. The click on the table row works, sql works, and from

角度5前程等待值

Aloha everyone, After a lot of research I did not find anything simple to my little problem. I start on Angular5 and Firebase. My issue is the following : I loop on a table and for each identifier I

赌博网络游戏编程?[暂时搁置]

What is the way to programming online gambling games What are the programming languages Possible sources of learning thank you >

ASP.NET核心剃刀布局跳过

Hi I am stuck in a razor page rendering. I am using core identity and have modified the default "/Pages/Shared/_Layout.cshtml" to use bootstrap 4. Then when I moved to "Identity/Pages/Account/Manage/

内存复用需要什么?

All I have found is that different Processes/Threads share the same hardware, hence the need for multiplex the use of memory. and Important aspects of memory multiplexing are: Isolation Separate

ID/RIDF的DoBoo/XML限制

In my (generated) docbook files I got an ID / IDREF pair that started with a number (say 015_code with the attributes xml:id / linkend and consequently a warning was emitted (XMLMind in this case):

十月CMS -数据太长的列

I have an error saving a field to the database, which is giving me the error: String data, right truncated: 1406 Data too long for column 'content' at row 1. However the field in the database is set

为什么委托事件没有快速收到?

I would like to pass data from EditPostViewController to NewsfeedTableViewController using delegates, but func remove(mediaItem:_) is never called in the adopting class NewsfeedTableViewController.

由JavaLang.CultNoNoMutuxExpTest:MyService中的Orr.SrpFraskWork.MasaGig.Currut.MasgEngEvter

I am following microservices tutorials from the link : https://github.com/sqshq/PiggyMetrics and I was able to successfully start the following services config registry gateway In each services .yml

使用PKG配置文件编译FFPEG X265

I'm trying to compile FFMPEG with x265 on Win10. I am using the latest full MinGW build from xhmikosr found at: http://xhmikosr.1f0.de/tools/msys/ FFMEPG without x265 compiles without problems and

加载AdSense广告后按下OK按钮报警

I want to load adsense ad after user clicks OK in a JavaScript alert window. Here is the code kindly tell me what i need to change to implement this? <script> if (window.confirm('Continue?'))

使用PHP阻止URL指定的文件夹或路径

i have a Block specified Path. for example http://example.com/image or http://example.com/file.php Some one going to this path it need showing you dont have permission or redirect another page.. How

在网站建造者中处理自定义域?

I'm trying to build a website builder (that will generate static websites at the beginning). I don't know how to handle the situation when I need to allow customers to use their own domain. I did a

C代码与Python代码的通信

I have to establish a communication between a C++ code and a Python code and sending messages in both directions ( first message will be from C++ to Python and then and until the rest of the program

数据库方便表格

I have a problem. Because I want to create website form which collects leads into database. However it will be managed by the guy who is not so in computers. So my question is how to manage it,

空页服务无错误

First time doing this. Two days since I struck this issue and have not located the problem. I installed laravel on a Ubuntu 18.04 instance on EC2. The project works fine in my local Homestead

不能转换为错误

I'm using Ember 3, and I am having an issue using the Router service with dynamic segments. In my component, I use the Router Service to transitionTo a child route on a click, but I get this error:

配置HTAccess忽略最后斜线后的任何内容

i removed images extension from URL : RewriteEngine on RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME}\.png -f RewriteRule ^(.*)$ $1.png [NC,L] but i need to ignore anything

Excel:用户窗体不如预期刷新

I have a userform that I developed in VBA in MS EXCEL 2016. After a user uses the form once, I use the Me.Hide statement to hide the form. However, if the user launches the form again, I use the Me.

组合两个观测值然后变换结果

I have a REST endpoint that I am calling with Angular Http. I need to chain two calls, then use the results from each to create an object to return. Pseudo code: POST new entity to server and get a

我的VB.NET有点不对劲,请帮帮我。

Private Sub Btn_Simpan_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btn_Simpan.Click Try If Txt_Kode.Text = "" Or Txt_NamaPerusahaan.Text = "" Or Txt_Manager.

FixBASE上传多个存储/防火墙

Can someone guide me to upload multiple images to Firebase at the same time? What I'm trying to do is upload several images to Firebase Storage and save each reference in Firestore (in an array, for

用HJSON填充数据

I created a .php file to export data from mysql to json format. [{"name":"data1","data":[[{"name":"InfluxCoin","data":[[1534032000000,0.87]]},{"name":"Advanced","data":[[1534032000000,0.02]]},{"name":

如何将自旋编辑组件的最大整数值设置为与数据库中的值相等

I am doing a stock taking program for a school project. I have a combobx populated with all the items sold (extracted from database) and I have a spin edit for the user to select the quantity of the

使用可弯曲的包错误从RMARKDOWN生成Word中的表

I have been trying to generate a table in R Markdown with output to word looking like this (a very common table format for chemical sciences): I started with kable using markdown syntax to get the

获取会话期满后的警告框[暂停]后,Java脚本超时到注销页

how to implement a functionality after getting a alert box saying session will expire in 1 minute do you want to continue (with OK/ Cancel buttons) after getting this alert if user has stll idle

猫鼬:名字识别器

I'm using mongoose to interact with mongoDB in a rest API, and while using discriminators, I get this error : Discriminator with name "serviceMember" already exists know that with this code

如何将每个布局与同一尺寸的图像联系起来

For example : when we use the dimens folder for a texte size value , we go the dimen ( small ) to change the texte size for the small layout(screen) . So i want to do the same think for images i want

浏览器/选票:SOL:102 18:帕塞尔误差:预期

i get an error msg when trying to compile browser/ballot.sol:102:18: ParserError: Expected '{' but got identifier contract token is ERC20Interface, Owned, SafeMath { ^----^ cannot

2

6

1970年01月01日00分04秒